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# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> and all contributors
# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
require 'yaml'
require 'dtas/splitfx'
require 'thread'
require_relative 'helper'

class TestSplitfx < Testcase
  parallelize_me!

  def test_t2s
    sfx = DTAS::SplitFX.new
    sfx.instance_eval do
      @infmt = DTAS::Format.load("rate"=>44100)
    end
    assert_equal 118554000, sfx.t2s_cdda('44:48.3')
    assert_equal 118554030, sfx.t2s('44:48.3')
  end

  def test_example
    hash = YAML.load(File.read("examples/splitfx.sample.yml"))
    sfx = DTAS::SplitFX.new
    Dir.mktmpdir do |dir|
      Dir.chdir(dir) do
        # create a guitar pluck
        cmd = '(for n in E2 A2 D3 G3 B3 E4; do '\
               'sox -n -ts32 -c2 -r44100 - synth 4 pluck $n; done ) | ' \
               'sox -ts32 -c2 -r44100 - foo.flac'
        assert system(cmd), cmd.inspect
        sfx.import(hash, {})
        opts = { jobs: nil, silent: true }
        WAIT_ALL_MTX.synchronize do
          sfx.run("flac", opts)
        end
        expect = %w(1.flac 2.flac foo.flac)
        assert_equal expect, Dir["*.flac"].sort

        res_cmd = "sox 1.flac 2.flac -ts32 -c2 -r44100 result.s32"
        res_pid = fork { exec res_cmd }
        exp_cmd = "sox foo.flac -ts32 -c2 -r44100 expect.s32 trim 4"
        exp_pid = fork { exec exp_cmd }
        _, s = Process.waitpid2(res_pid)
        assert s.success?, "#{res_cmd}: #{s.inspect}"
        _, s = Process.waitpid2(exp_pid)
        assert s.success?, "#{exp_cmd}: #{s.inspect}"
        cmp = "cmp result.s32 expect.s32"
        assert system(cmp), cmp
      end
    end
  end
end